Home / 90,957,186.30-136,435,779.45-36,342,766.20

Finding the Fourth Proportional to 90,957,186.30, 136,435,779.45 and 36,342,766.20

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Solution

The fourth proportional to 90,957,186.30, 136,435,779.45 and 36,342,766.20 is: 54,514,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957,186.30 : 136,435,779.45 = 36,342,766.20 : x
  2. Step 2: Convert to fraction form
    90,957,186.30/136,435,779.45 = 36,342,766.20/x
  3. Step 3: Cross multiply
    90,957,186.30x = 136,435,779.45 × 36,342,766.20
  4. Step 4: Simplify right side
    90,957,186.30x = 4,958,453,633,866,115
  5. Step 5: Solve for x
    x = 4,958,453,633,866,115/90,957,186.30
  6. Step 6: Final answer
    x = 54,514,149.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.